Home / 3,316.08-4,574.70-2,136.72

Finding the Fourth Proportional to 3,316.08, 4,574.70 and 2,136.72

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Solution

The fourth proportional to 3,316.08, 4,574.70 and 2,136.72 is: 2,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.08 : 4,574.70 = 2,136.72 : x
  2. Step 2: Convert to fraction form
    3,316.08/4,574.70 = 2,136.72/x
  3. Step 3: Cross multiply
    3,316.08x = 4,574.70 × 2,136.72
  4. Step 4: Simplify right side
    3,316.08x = 9,774,852.98
  5. Step 5: Solve for x
    x = 9,774,852.98/3,316.08
  6. Step 6: Final answer
    x = 2,947.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.